Delphinium 'Rainbow Sensation'
"Larkspur"
Orders placed until 29 February 2025
You can expect your order in February/March 2025
Orders placed 1 March - 15 April 2025
You can expect your order in March/April 2025
Orders placed 16 April - 15 May 2025
You can expect your order within 10 business days
UK orders over £50
Free shipping
UK orders under £50
£4.99
Northern Ireland orders under £50
£5.99
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Description
This is a rare opportunity to grow one the most unusual—and delightful—of modern delphiniums. Delphinium 'Rainbow Sensation' has flowers that are fully double and pink-lilac, but with a creamy yellow centre. When the flowers are just open, there are blue tints on the outer petals. The whole effect is of a muted rainbow—hence its name!
The flower rosettes are produced during summer, and held high, on strong stems. Well, we say high, but actually being one of the Highlander™ series of delphiniums, this is shorter than most, with stems just 80-100cm or so high, meaning that it is suitable for growing in a container, as well as the border.
The Highlander™ delphiniums, bred in Scotland, are tough and hardy, and very well suited to the British climate. Able to grow well in full sun or part shade, Delphinium elatum 'Highlander Rainbow Sensation®' will be best in a sunny spot, but make sure the soil does not dry out in summer. Oh, and did we say, its flowers are excellent for cutting, too, lasting well in a vase indoors!
Key features
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Good for cutting
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Comes back every year
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Loved by pollinators
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Thrives well in full sun
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In peat-free compost
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Low maintenance
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Fully hardy
Specs & details
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Botanical name
Delphinium elatum 'Highlander Rainbow Sensation'
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Flower colour
Purple, blue
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Plant size
1
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Established height
1-1.2m
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Established spread
30-50cm
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Plant spacing
5 plants per m2
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Leaf colour
Green
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Habit
Upright
Clump-forming -
Life cycle
Perennial
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Hardiness
Fully hardy
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Years to establish
2-3 years
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Sunlight
Full sun
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Position
Sheltered
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Suitable for
Large containers
Borders
Cottage gardens
Low maintenance gardens
Cut flower gardens -
Soil acidity
Any
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Soil moisture
Free draining
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Soil type
Loam
Sandy
Stony
Multipurpose compost
Loam-based compost -
Growing skill
Easy to grow
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Scented
No
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Pollinator-friendly
No
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Mouse resistant
No
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Rabbit resistant
Yes
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Deer resistant
Yes
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Toxicity
Skin/eyes irritant
Harmful if eaten
Plant calendar
| Jan | Feb | Mar | Apr | May | June | July | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|
- Planting
- Flowering
Useful information
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Soak the Delphinium 'Rainbow Sensation' roots in water for 3-6 hours prior to planting
Plant your "Larkspur" bare roots into temporary pots with a multipurpose compost in spring and grow-on in a sheltered spot outdoors
Choose a pot which comfortably fits the bare roots. Some have a noticeable crown which should be just below the soil surface with any top growth exposed. Some varieties are a length of root which should be planted lengthways and shallowly (1-2cm deep).
Plant out into borders or permanent containers in late spring or early summer once in full growth. Choose a position in sun or shade depending on the variety.
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Orders placed until 29 February 2025
You can expect your order in February/March 2025Orders placed 1 March - 15 April 2025
You can expect your order in March/April 2025Orders placed 16 April - 15 May 2025
You can expect your order within 10 business days
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